Integrated Karaoke Microphone Wireless $ 31.69 Product information: Model: YMMKF001 Microphone directivity: Cardioid Speaker: 5W/45mm Bluetooth version: 4.2 Connection distance:7 meters (no obstacle and strong interference) Battery: 3.7V/850mAh Charging input: DC 5V/0.5A Charging time: About 1.5 hours Use time: About 4 hours Interface: USB Type-C Size: 54mmX 200mm
